Explanation If we consider after starting the radioactive disintegration of a certain nucleus after the time gap ‘t’ the number of atom disintegrate is ‘N’. Then for small gap of time ‘dt’ the disintegration of the atom will be ‘dN’. Then as per the law of radioactive disintegration the rate of decay (- d N d t ) of the atom will be equivalent to the number of atom present at the moment. so, - d N d t ∞ N or, - d N d t = λN (Where λ is a constant called disintegration constant or decay constant). The value of the decay constant is fixed for a radioactive material. The half life time of a radioactive material is the time required to disintegrate half of the material. It is expressed by: t 1 / 2 = 0.693 λ Given: 38 Cl decays by beta emission only and has half-life 37.2 min. The amount of the sample taken is H 38 Cl which placed in a 6.24-L container. The pressure of the container after 74.4 min is 650 mmHg. Formula used: i) t 1 / 2 = 0.693 λ ii) t = 2...

Chemistry: Structure and Properties, Books a la Carte PACKAGE W/MasteringChemistry, 2nd Edition

2nd Edition

ISBN: 9780134777559

Author: Tro, Nivaldo J.

Publisher: PEARSON

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.

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Chapter 20, Problem 103E

Interpretation Introduction

To determine: The temperature of the container.

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Chapter 20, Problem 102E

Chapter 20, Problem 104E

Chapter 20 Solutions

Chemistry: Structure and Properties, Books a la Carte PACKAGE W/MasteringChemistry, 2nd Edition

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